TWENTY-FIFTH
\twˈɛntifˈɪfθ], \twˈɛntifˈɪfθ], \t_w_ˈɛ_n_t_i_f_ˈɪ_f_θ]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.